#include <bits/stdc++.h>

using namespace std;

int main(){
    string s;
    cin >> s;
    vector<int> a(26);
    for(int i = 0; i < s.size() - 1; ++i){
        if(s[i] < 'a' || s[i] > 'z')
            continue;
        a[s[i] - 'a']++;
    }
    for(int i = 0; i < 26; ++i){
        if(!a[i])
            continue;
        char x = i + 'a';
        cout << x << " " << a[i] << endl;
    }
}